
This is the period of a pendulum. Notice the mass doesn't matter. Plugging in your values and 9.81m/s^2 for g, gives
T=10.7731s.
Answer:
(a)

(b)
Explanation:
Vx = 1.6 x 10^6 m/s
Vy = 2.6 x 10^6 m/s
Bx = 0.024 T
By = - 0.14 T
charge of electron, q = - 1.6 x 10^-19 C
charge of proton, q = 1.6 x 10^-19 C
(a) Force on electron is given by

Substituting the values


(b) Force on proton is given by

Substituting the values


Energy is neither created nor destroyed; when energy is transformed from one form to another, there is no energy lost
The effective height of the water for Smith's house will be 24.61m.
<h3>How to calculate the height?</h3>
Based on the information given, the volume of the water in sphere will be:
= 4/3πr³ = (5.80 × 10^5)/1000
= 4.18r³ = 580
r³ = 138.7
r = 5.18m
The effective height of the water will be:
= 18.0 + 2(5.18)
= 28.36
The gauge pressure at Faucet of Jones house will be:
= pgh
= 1000(9.8)(28.36)
= 277.9kPa
The effective height of the water for Smith's house will be:
= 18.0 + 2(5.18) - 3.75
= 24.61m
The gauge pressure at Faucet of Jones house will be:
= 1000 × 9.8 × 24.61
= 241.2kPa
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The model is based on hypothesis to get an initial idea for analyzing a complex problem. Hence, the validity of a model is limited and may not be valid universally. On the other hand, theories and laws are confirmed hypothesis which are universally valid. These are formulated after repeated testings. theories are more explanatory.